perf(docs-infra): avoid unnecessary JSON parsing in `ScrollService` (#29658)
perf(docs-infra): avoid unnecessary JSON parsing in `ScrollService` (#29658)

PR Close #29658

snaptech/angular,mhevery/angular,alexeagle/angular,gdi2290/angular,snaptech/angular,gdi2290/angular,snaptech/angular,filipesilva/angular,IgorMinar/angular,petebacondarwin/angular,juristr/angular,Toxicable/angular,IgorMinar/angular,juristr/angular,Brocco/angular,shairez/angular,gnomeontherun/angular,IgorMinar/angular,mhevery/angular,Brocco/angular,juristr/angular,Toxicable/angular,mgechev/angular,gkalpak/angular,filipesilva/angular,jasonaden/angular,manekinekko/angular,alxhub/angular,brandonroberts/angular,mlaval/angular,IdeaBlade/angular,mgechev/angular,vikerman/angular,vikerman/angular,Toxicable/angular,mhevery/angular,wKoza/angular,mprobst/angular,blesh/angular,jasonaden/angular,brandonroberts/angular,mhevery/angular,manekinekko/angular,alxhub/angular,ocombe/angular,brandonroberts/angular,angular-indonesia/angular,juristr/angular,StephenFluin/angular,mprobst/angular,IdeaBlade/angular,petebacondarwin/angular,mlaval/angular,brandonroberts/angular,JiaLiPassion/angular,alxhub/angular,filipesilva/angular,matsko/angular,angular/angular,blesh/angular,mprobst/angular,mhevery/angular,alxhub/angular,JiaLiPassion/angular,IdeaBlade/angular,blesh/angular,alexeagle/angular,manekinekko/angular,vikerman/angular,IgorMinar/angular,mgechev/angular,mprobst/angular,manekinekko/angular,mgechev/angular,snaptech/angular,angular/angular,matsko/angular,juristr/angular,StephenFluin/angular,angular-indonesia/angular,sarunint/angular,StephenFluin/angular,alexeagle/angular,ocombe/angular,manekinekko/angular,vikerman/angular,Brocco/angular,gnomeontherun/angular,Brocco/angular,mlaval/angular,angular/angular,snaptech/angular,StephenFluin/angular,alexeagle/angular,Brocco/angular,IdeaBlade/angular,snaptech/angular,ocombe/angular,mlaval/angular,gdi2290/angular,blesh/angular,Toxicable/angular,jasonaden/angular,wKoza/angular,gdi2290/angular,mprobst/angular,StephenFluin/angular,mgechev/angular,vikerman/angular,shairez/angular,brandonroberts/angular,gkalpak/angular,shairez/angular,filipesilva/angular,gkalpak/angular,mhevery/angular,mlaval/angular,sarunint/angular,shairez/angular,ocombe/angular,petebacondarwin/angular,mprobst/angular,gnomeontherun/angular,alexeagle/angular,wKoza/angular,gkalpak/angular,brandonroberts/angular,matsko/angular,Toxicable/angular,matsko/angular,JiaLiPassion/angular,Toxicable/angular,alxhub/angular,Brocco/angular,angular-indonesia/angular,angular/angular,petebacondarwin/angular,filipesilva/angular,ocombe/angular,IgorMinar/angular,shairez/angular,sarunint/angular,matsko/angular,petebacondarwin/angular,wKoza/angular,wKoza/angular,sarunint/angular,alexeagle/angular,jasonaden/angular,jasonaden/angular,wKoza/angular,juristr/angular,vikerman/angular,gnomeontherun/angular,JiaLiPassion/angular,IdeaBlade/angular,blesh/angular,gdi2290/angular,angular-indonesia/angular,petebacondarwin/angular,sarunint/angular,jasonaden/angular,ocombe/angular,IgorMinar/angular,sarunint/angular,gdi2290/angular,manekinekko/angular